Question

1. Specifically, what mathematical assumption would not be valid if the strings were not pointed directly towards the center pin? (HINT: A vector has both a magnitude and a direction.) 2. Explain in words why the equilibrant vector is equal in magnitude and opposite in direction to the vector which represents the resultant of the first three forces in each case, in other words why Ex = -Rx and Ey = -Ry. 3. Error analysis: for each case, calculate the percent errors in the magnitudes of the equilibrants determined both graphically and experimentally. Naturally, the magnitude's expected value is the one determined algebraically. 4. What percent error would you consider to be tolerable for the experimental results, and why? Base your estimate on your observations during the experiment.

          1. Specifically, what mathematical assumption would not be valid if the strings were not pointed directly towards the center pin?
(HINT: A vector has both a magnitude and a direction.)

2. Explain in words why the equilibrant vector is equal in magnitude and opposite in direction to the vector which represents the resultant of the first three forces in each case, in other words why Ex = -Rx and Ey = -Ry.

3. Error analysis: for each case, calculate the percent errors in the magnitudes of the equilibrants determined both graphically and experimentally. Naturally, the magnitude's expected value is the one determined algebraically.

4. What percent error would you consider to be tolerable for the experimental results, and why? Base your estimate on your observations during the experiment.

1. Specifically, what mathematical assumption would not be valid if the strings were not pointed directly towards the center pin?
(HINT: A vector has both a magnitude and a direction.)

2. Explain in words why the equilibrant vector is equal in magnitude and opposite in direction to the vector which represents the resultant of the first three forces in each case, in other words why Ex = -Rx and Ey = -Ry.

3. Error analysis: for each case, calculate the percent errors in the magnitudes of the equilibrants determined both graphically and experimentally. Naturally, the magnitude's expected value is the one determined algebraically.

4. What percent error would you consider to be tolerable for the experimental results, and why? Base your estimate on your observations during the experiment.

Added by Stephanie N.

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